RSocket Proxy for Prometheus monitoring

- Rename spring-cloud-dataflow-samples/tree/master/micrometer to spring-cloud-dataflow-samples/tree/master/micrometer-samples
 - Rename spring-cloud-dataflow-samples/tree/master/micrometer/tasks to spring-cloud-dataflow-samples/tree/master/micrometer-samples/task-apps
 - Add the apps under spring-cloud-dataflow-samples/tree/master/micrometer/stream-apps
 - Describe or cross-link the description of the new architecture in the root README
 - Add microsite SCDF monitoring links

 Resolves #122

monitoring-samples/stream-apps/demo-source/src/main/java/com/example/demosource/DemoSourceApplication.java

@@ -0,0 +1,31 @@
+package com.example.demosource;
+
+import java.util.Date;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.stream.annotation.EnableBinding;
+import org.springframework.cloud.stream.messaging.Source;
+import org.springframework.messaging.support.MessageBuilder;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+
+@EnableScheduling
+@EnableBinding(Source.class)
+@SpringBootApplication
+public class DemoSourceApplication {
+
+	@Autowired
+	private Source source;
+
+	@Scheduled(fixedDelay = 1000)
+	public void sendGreetingEvents() {
+		this.source.output().send(MessageBuilder.withPayload("Greeting: " + new Date().toString()).build());
+	}
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoSourceApplication.class, args);
+	}
+
+}

monitoring-samples/stream-apps/demo-source/src/main/resources/application.properties

@@ -0,0 +1 @@
+

monitoring-samples/stream-apps/demo-source/src/test/java/com/example/demosource/DemoSourceApplicationTests.java

@@ -0,0 +1,17 @@
+package com.example.demosource;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DemoSourceApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}